... /Alloy Steel.StandardGB,JIS,BS,DIN.ANSI/ASTM /API,NF,GOST,EN,ISO and Non standardSize1/2"-48"TypeSlip-on flanges ... B16.5, ASME B16.47 FLANGESize range: 1/2" to 80" DN15 to DN2000Design: welding neck, slip on, blind, socket welding ... plywooden case, wooden pallet4) GOST FLANGESize range: DN15 to DN 2000Design : plate falnge 12820-80, welding neck flange 12821-80Pressure: PN6, PN10, PN16 ...